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For the term "free dowload schematic circuit automatic charger a".

Joule Thief: LSGadget Mystery Circuit with Variable Cap, Scoposcopy

This is the basic circuit that started out as the LaserSaber Crossover circuit, morphed into the Earth-ground-effect-coupled Ghost Light, and now with gadgetmall’s mods is the selfcharger, or in my case, the runner-on-zero voltage…

Electric OU: DC Bias Current, Q1 and Q2 Continuous Oscillations in the Ainslie Circuit

Q1 and Q2 oscillations in the Rosemary Ainslie NERD claimed overunity circuit. They have nothing whatever to do with function generator operation, other than depending on it as a power supply. Erratum: Of course…

Chilliqueen high voltage circuit using camera parts.ASF

This is a replication of Chiilqueen’s high voltage inverter circuit that uses electrical component parts removed from a disposable flash camera. The project required careful removal of certain small parts from the printed circuit…